volume 153, issue 1-2, P137-148 2008
DOI: 10.1016/j.combustflame.2007.05.006
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S. Frigerio, H. Thunman, B. Leckner, S. Hermansson

Abstract: An improved model is presented for estimation of the mixing of gaseous species in a packed bed for fuel conversion. In particular, this work clarifies the main characteristics of mixing of volatiles and oxidizers in a burning bed of high-volatile solid fuel. Expressions are introduced to represent the active role of degradation of the solid particles in the mixing within the gas phase. During drying and devolatilization the solids modify the behavior of the gas flow: the volatiles released from the surface of…

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